The present disclosure relates to a method for intelligent procurement of data from a plurality of vehicles in a data-aggregation region using long-range communications, short-range communications, and group leader vehicles. The method includes a central server defining a plurality of data-aggregation areas and identifying at least one group leader vehicle in each data-aggregation area. The method also includes the group leader vehicle in each data-aggregation area collecting data from other vehicles in the data-aggregation area using short-range communications and the group leader vehicle in each data-aggregation area determining to cease collecting data from the other vehicles in the data-aggregation area. The method further includes the group leader vehicle in each data-aggregation area generating a consensus report using the data collected from the other vehicles in its data-aggregation area.